/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngineTest/Public/NodeTestGraphBuilder.h
Add an input node from the graph by name, type, and access type
NodeHandle of the added node, can be invalid if failed to add
[Frontend::FNodeHandle](API\Plugins\MetasoundFrontend\FNodeHandle) AddInput ( const [FName](API\Runtime\Core\UObject\FName) & InputName, const [FName](API\Runtime\Core\UObject\FName) & TypeName, [EMetasoundFrontendVertexAccessType](API\Plugins\MetasoundFrontend\EMetasoundFrontendVertexAccessTy-) AccessType ) const